Database of Zeolite Structures
 
 
Framework Type MER
Framework
Cell Parameters: tetragonal I 4/m m m (# 139)  
    a = 14.0120 Å b = 14.0120 Å c = 9.9540Å  
  α = 90.000° β = 90.000° γ = 90.000°  
Volume = 1954.3Å3  
RDLS = 0.0010  
  Framework density (FDSi): 16.4 T/1000 Å3  
  Topological density: TD10 = 738 TD = 0.622222  
Ring sizes (# T-atoms): 8  4    
Channel dimensionality: Topological (pore opening > 6-ring): 3-dimensional  
  Maximum diameter of a sphere:  
  that can be included 6.65 Å  
that can diffuse along a:   3.12 Å b:   3.12 Å c:   4.2 Å  
Accessible volume: 10.37   %  
Secondary Building Units: 8-8 or   8 or   4      
Composite Building Units:
d8r (t-opr )
pau (t-pau )
  Chains: dcc
Natural Tiling t-opr t-pau t-ste
Framework images
(click on icon for larger image)

Viewed along [001]

projection along [001]
viewed along [100]
projection along [100]
8-ring channel along c

 


Year code assigned 1978
Data last updated Jul 1, 2007